SB2020093050 - Red Hat Enterprise Linux 8 update for the virt:rhel module

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Main Vulnerability Database SB2020093050

SB2020093050 - Red Hat Enterprise Linux 8 update for the virt:rhel module

Published: September 30, 2020

Security Bulletin ID SB2020093050
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2020-10756)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the "icmp6_send_echoreply()" routine while replying to an ICMP echo request. A remote attacker with access to guest operating system can trigger out-of-bounds read error and read contents of memory on the system.


2) Out-of-bounds write (CVE-ID: CVE-2020-14364)

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a boundary error within the USB emulator in QEMU. A remote user with access to guest operating system on the guest operating system can send specially crafted USB packets, trigger out-of-bounds write and execute arbitrary code on the host system.


Remediation

Install update from vendor's website.

References